Plasma display panel

Abstract

A PDP has a front plate and a rear plate. The front plate includes a protective layer, and the rear plate includes phosphor layers. The protective layer includes a base layer. Agglomerated particles are dispersed on the base layer. The base layer includes a first metallic oxide and a second metallic oxide. The base layer has a peak through an X-ray diffraction analysis between a first peak of the first metallic oxide and a second peak of the second metallic oxide. The first metallic oxide and the second metallic oxide are two selected from a group consisting of MgO, CaO, SrO, and BaO. The phosphor layers include particles of a platinum group element.

1 . A plasma display panel comprising:
 a front plate; and   a rear plate disposed so as to face the front plate, wherein   the front plate includes a dielectric layer and a protective layer which covers the dielectric layer,   the rear plate includes a base dielectric layer, a plurality of barrier ribs formed on the base dielectric layer, and phosphor layers formed on the base dielectric layer and side surfaces of the barrier ribs,
 the protective layer includes a base layer formed on the dielectric layer,
 agglomerated particles in which crystal particles of magnesium oxide are agglomerated to one another are dispersed evenly on an entire surface of the base layer, 
 the base layer includes at least a first metallic oxide and a second metallic oxide, and has at least a peak through an X-ray diffraction analysis,
 the peak is present at an intermediate position between a first peak through an X-ray diffraction analysis of the first metallic oxide and a second peak through an X-ray diffraction analysis of the second metallic oxide, 
 the first peak and the second peak indicate a plane orientation equal to a plane orientation indicated by the peak of the base layer, 
 the first metallic oxide and the second metallic oxide are two selected from a group consisting of magnesium oxide, calcium oxide, strontium oxide, and barium oxide, and 
 
 the phosphor layers include particles of a platinum group element. 
 
   
     
     
         2 . The plasma display panel according to  claim 1 , wherein
 the phosphor layers include a plurality of phosphor particles, and   an average particle diameter of the particles of the platinum group element is no more than an average particle diameter of the phosphor particles.   
     
     
         3 . The plasma display panel according to  claim 2 , wherein
 the average particle diameter of the particles of the platinum group element is no less than 1/10 and no more than ½ of the average particle diameter of the phosphor particles.   
     
     
         4 . The plasma display panel according to  claim 3 , wherein
 the average particle diameter of the particles of the platinum group element is no less than 0.3 μm and no more than 1 μm.   
     
     
         5 . The plasma display panel according to  claim 1 , wherein
 the particles of the platinum group element adhere to at least a part of surfaces of the phosphor layers.